Abstract
We consider parametric equations driven by the sum of a p-Laplacian and a Laplace operator (the so-called (p, 2)-equations). We study the existence and multiplicity of solutions when the parameter \(\lambda >0\) is near the principal eigenvalue \(\hat{\lambda }_1(p)>0\) of \((-\Delta _p,W^{1,p}_{0}(\Omega ))\). We prove multiplicity results with precise sign information when the near resonance occurs from above and from below of \(\hat{\lambda }_1(p)>0\).
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Acknowledgments
V.D. Rădulescu was partially supported by the Romanian Research Council through the Grant CNCS-UEFISCDI-PCCA-23/2014. D.D. Repovš acknowledges the partial support of the Slovenian Research Agency through Grants P1-0292-0101, J1-7025-0101 and J1-6721-0101.
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Papageorgiou, N.S., Rădulescu, V.D. & Repovš, D.D. On a Class of Parametric (p, 2)-equations. Appl Math Optim 75, 193–228 (2017). https://doi.org/10.1007/s00245-016-9330-z
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DOI: https://doi.org/10.1007/s00245-016-9330-z
Keywords
- Near resonance
- Local minimizer
- Critical group
- Constant sign and nodal solutions
- Nonlinear maximum principle